package com.system.utils;

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;

import java.io.InputStream;
import java.net.URL;
import java.util.Date;

public class AliOssUtil {


    private static final String ENDPOINT = "https://oss-cn-beijing.aliyuncs.com";
    private static final String BUCKET_NAME = "big-event0121";

    private static final String ACCESS_KEY_ID="LTAI5tGwFhVNHnPmdR6mavcW";
    private static final String ACCESS_KEY_SECRET="vCsywTlFeCAQt2SENRQRbI2q49xRJv";

    public static String upLodeFile(String objectName, InputStream in) throws com.aliyuncs.exceptions.ClientException {

        OSS ossClient = new OSSClientBuilder().build(ENDPOINT,ACCESS_KEY_ID,ACCESS_KEY_SECRET);
        String url = "";
        try {
            String content = "Hello oss, 你好世界";
            // 设置URL在1小时后过期
            Date expiration = new Date(System.currentTimeMillis() + 3600 * 1000);
            URL signedUrl = ossClient.generatePresignedUrl(BUCKET_NAME, objectName, expiration);
            PutObjectRequest putObjectRequest = new PutObjectRequest(BUCKET_NAME,objectName,in);
            PutObjectResult result = ossClient.putObject(putObjectRequest);
            // 上传后直接生成签名URL
            url = signedUrl.toString();
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        return url;
    }
}
